body { margin: 0; color: #111827; background: #fff; font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif; }
header, main, footer { width: min(1040px, calc(100% - 32px)); margin: 0 auto; }
header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 20px; min-height: 64px; padding: 12px 0; border-bottom: 1px solid #e5e7eb; }
nav { display: flex; flex-wrap: wrap; gap: 16px; }
nav a { display: inline-flex; align-items: center; min-height: 44px; }
main { padding: 40px 0 56px; }
h1 { max-width: 780px; margin: 0 0 12px; font-size: clamp(28px, 5vw, 36px); line-height: 1.15; }
h2 { margin: 32px 0 8px; font-size: 22px; }
h3 { margin: 16px 0 8px; font-size: 18px; }
p, li { max-width: 760px; color: #4b5563; line-height: 1.65; }
a { color: #0f766e; overflow-wrap: anywhere; }
.card { margin: 24px 0; padding: 20px; border: 1px solid #e5e7eb; background: #f8fafc; }
.card h2 { margin-top: 0; }
.meta { color: #64748b; font-size: 14px; }
.action { display: inline-flex; align-items: center; min-height: 44px; font-weight: 600; }
footer { padding: 24px 0 40px; border-top: 1px solid #e5e7eb; }